var express=require('express')
var app=express()
var router=require('./router')



app.all("*",function(req,res,next){
    //设置允许跨域的域名，*代表允许任意域名跨域
    res.header("Access-Control-Allow-Origin","http://localhost:8080");
    //允许的header类型
    res.header("Access-Control-Allow-Headers","content-type");
    //跨域允许的请求方式
    res.header("Access-Control-Allow-Methods","DELETE,PUT,POST,GET,OPTIONS");
    if (req.method.toLowerCase() == 'options')
      res.send(200);  //让options尝试请求快速结束
    else
      next();
  });

  app.use(express.json())
  app.use('/',router)



app.listen(3000,function(){
    console.log('localhost:3000')
})

